Matrix - Optismooth

Use Opti.Smooth for maximum versatility and maximum fiber respect Versatility: get two looks using one system: sleek straight or defined, frizz-free curls Fiber respect: Opti-Smooth reinforces hair fiber and helps prevent from breakage Contains a naturally derived mix of proteins that infuses extra vitamins and oligominerals to the hair.

A permanent smoothing system for cold-smoothing or heat-straightening hair in 3 custom strengths for normal, resistant or sensitized hair.